When Columbus and his successors invaded the Americas, the most potent weapon they carried was their germs. But why didn't deadly disease flow in the other direction, from the New World to the Old?
When Columbus and his successors invaded the Americas, the most potent weapon they carried was their germs. But why didn't deadly disease flow in the other direction, from the New World to the Old?
Africa's racial history was not necessarily its racial destiny. To unravel the story of Africa's past, you must not only look at its faces but listen to its languages and harvest its crops.
In just a few centuries, the people of Easter Island wiped out their forest, drove their plants and animals to extinction, and saw their complex society spiral into chaos and cannibalism. Are we about to follow their lead?
Once upon a time, all the fruits, nuts, and berries our gathering ancestors ate were wild. Someone, at some time, had to come up with the bright idea of crops.
